1 | #ifndef EVPP_H__ |
1 | #ifndef EVPP_H__ |
2 | #define EVPP_H__ |
2 | #define EVPP_H__ |
3 | |
3 | |
4 | /* work in progress, don't use unless you know what you are doing */ |
4 | #include "ev.h" |
5 | |
5 | |
6 | namespace ev { |
6 | namespace ev { |
7 | |
7 | |
8 | template<class watcher> |
8 | template<class watcher> |
9 | class callback |
9 | class callback |
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41 | void call (watcher *w, int e) const |
41 | void call (watcher *w, int e) const |
42 | { |
42 | { |
43 | return prxy->call (obj, meth, *w, e); |
43 | return prxy->call (obj, meth, *w, e); |
44 | } |
44 | } |
45 | }; |
45 | }; |
46 | |
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47 | #include "ev.h" |
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48 | |
46 | |
49 | enum { |
47 | enum { |
50 | UNDEF = EV_UNDEF, |
48 | UNDEF = EV_UNDEF, |
51 | NONE = EV_NONE, |
49 | NONE = EV_NONE, |
52 | READ = EV_READ, |
50 | READ = EV_READ, |
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… | |
93 | |
91 | |
94 | /* using a template here would require quite a bit more lines, |
92 | /* using a template here would require quite a bit more lines, |
95 | * so a macro solution was chosen */ |
93 | * so a macro solution was chosen */ |
96 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
94 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
97 | \ |
95 | \ |
98 | static void cb_ ## cppstem (EV_P_ struct ev_ ## cstem *w, int revents); \ |
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99 | \ |
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100 | struct cppstem : ev_ ## cstem, callback<cppstem> \ |
96 | struct cppstem : ev_ ## cstem, callback<cppstem> \ |
101 | { \ |
97 | { \ |
102 | EV_CONSTRUCT (cppstem) \ |
98 | EV_CONSTRUCT (cppstem) \ |
103 | { \ |
99 | { \ |
104 | ev_init (static_cast<ev_ ## cstem *>(this), cb_ ## cppstem); \ |
100 | ev_init (static_cast<ev_ ## cstem *>(this), thunk); \ |
105 | } \ |
101 | } \ |
106 | \ |
102 | \ |
107 | bool is_active () const \ |
103 | bool is_active () const \ |
108 | { \ |
104 | { \ |
109 | return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \ |
105 | return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \ |
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137 | private: \ |
133 | private: \ |
138 | \ |
134 | \ |
139 | cppstem (const cppstem &o) \ |
135 | cppstem (const cppstem &o) \ |
140 | : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \ |
136 | : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \ |
141 | { /* disabled */ } \ |
137 | { /* disabled */ } \ |
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138 | \ |
142 | void operator =(const cppstem &o) { /* disabled */ } \ |
139 | void operator =(const cppstem &o) { /* disabled */ } \ |
143 | \ |
140 | \ |
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141 | static void thunk (EV_P_ struct ev_ ## cstem *w, int revents) \ |
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142 | { \ |
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143 | (*static_cast<cppstem *>(w))(revents); \ |
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144 | } \ |
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145 | \ |
144 | public: |
146 | public: |
145 | |
147 | |
146 | #define EV_END_WATCHER(cppstem,cstem) \ |
148 | #define EV_END_WATCHER(cppstem,cstem) \ |
147 | }; \ |
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148 | \ |
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149 | static void cb_ ## cppstem (EV_P_ struct ev_ ## cstem *w, int revents) \ |
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150 | { \ |
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151 | (*static_cast<cppstem *>(w))(revents); \ |
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152 | } |
149 | }; |
153 | |
150 | |
154 | EV_BEGIN_WATCHER (io, io) |
151 | EV_BEGIN_WATCHER (io, io) |
155 | void set (int fd, int events) |
152 | void set (int fd, int events) |
156 | { |
153 | { |
157 | int active = is_active (); |
154 | int active = is_active (); |
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194 | { |
191 | { |
195 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
192 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
196 | } |
193 | } |
197 | EV_END_WATCHER (timer, timer) |
194 | EV_END_WATCHER (timer, timer) |
198 | |
195 | |
199 | #if EV_PERIODICS |
196 | #if EV_PERIODIC_ENABLE |
200 | EV_BEGIN_WATCHER (periodic, periodic) |
197 | EV_BEGIN_WATCHER (periodic, periodic) |
201 | void set (ev_tstamp at, ev_tstamp interval = 0.) |
198 | void set (ev_tstamp at, ev_tstamp interval = 0.) |
202 | { |
199 | { |
203 | int active = is_active (); |
200 | int active = is_active (); |
204 | if (active) stop (); |
201 | if (active) stop (); |
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217 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
214 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
218 | } |
215 | } |
219 | EV_END_WATCHER (periodic, periodic) |
216 | EV_END_WATCHER (periodic, periodic) |
220 | #endif |
217 | #endif |
221 | |
218 | |
222 | EV_BEGIN_WATCHER (idle, idle) |
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223 | EV_END_WATCHER (idle, idle) |
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224 | |
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225 | EV_BEGIN_WATCHER (prepare, prepare) |
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226 | EV_END_WATCHER (prepare, prepare) |
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227 | |
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228 | EV_BEGIN_WATCHER (check, check) |
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229 | EV_END_WATCHER (check, check) |
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230 | |
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231 | EV_BEGIN_WATCHER (sig, signal) |
219 | EV_BEGIN_WATCHER (sig, signal) |
232 | void set (int signum) |
220 | void set (int signum) |
233 | { |
221 | { |
234 | int active = is_active (); |
222 | int active = is_active (); |
235 | if (active) stop (); |
223 | if (active) stop (); |
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258 | set (pid); |
246 | set (pid); |
259 | start (); |
247 | start (); |
260 | } |
248 | } |
261 | EV_END_WATCHER (child, child) |
249 | EV_END_WATCHER (child, child) |
262 | |
250 | |
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251 | #if EV_STAT_ENABLE |
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252 | EV_BEGIN_WATCHER (stat, stat) |
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253 | void set (const char *path, ev_tstamp interval = 0.) |
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254 | { |
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255 | int active = is_active (); |
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256 | if (active) stop (); |
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257 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
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258 | if (active) start (); |
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259 | } |
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260 | |
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261 | void start (const char *path, ev_tstamp interval = 0.) |
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262 | { |
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263 | set (path, interval); |
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264 | start (); |
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265 | } |
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266 | |
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267 | void update () |
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268 | { |
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269 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
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270 | } |
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271 | EV_END_WATCHER (stat, stat) |
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272 | #endif |
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273 | |
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274 | EV_BEGIN_WATCHER (idle, idle) |
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275 | void set () { } |
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276 | EV_END_WATCHER (idle, idle) |
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277 | |
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278 | EV_BEGIN_WATCHER (prepare, prepare) |
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279 | void set () { } |
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280 | EV_END_WATCHER (prepare, prepare) |
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281 | |
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282 | EV_BEGIN_WATCHER (check, check) |
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283 | void set () { } |
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284 | EV_END_WATCHER (check, check) |
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285 | |
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286 | #if EV_EMBED_ENABLE |
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287 | EV_BEGIN_WATCHER (embed, embed) |
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288 | void set (struct ev_loop *loop) |
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289 | { |
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290 | int active = is_active (); |
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291 | if (active) stop (); |
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292 | ev_embed_set (static_cast<ev_embed *>(this), loop); |
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293 | if (active) start (); |
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294 | } |
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295 | |
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296 | void start (struct ev_loop *embedded_loop) |
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297 | { |
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298 | set (embedded_loop); |
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299 | start (); |
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300 | } |
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301 | |
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302 | void sweep () |
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303 | { |
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304 | ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this)); |
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305 | } |
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306 | EV_END_WATCHER (embed, embed) |
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307 | #endif |
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308 | |
263 | #undef EV_CONSTRUCT |
309 | #undef EV_CONSTRUCT |
264 | #undef EV_BEGIN_WATCHER |
310 | #undef EV_BEGIN_WATCHER |
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311 | #undef EV_END_WATCHER |
265 | } |
312 | } |
266 | |
313 | |
267 | #endif |
314 | #endif |
268 | |
315 | |